TY

Toshihiko Yamada

TC Toyotomi Kogyo Co.: 1 patents #2 of 5Top 40%
SO Sony: 1 patents #49 of 234Top 25%
Overall (1982): #6,861 of 81,411Top 9%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4363620 Fire extinguishing device for oil burner Kazuharu Nakamura, Yutaka Nakanishi 1982-12-14
4316927 Magnetic recording medium Shigeo Kimura 1982-02-23